Deck 2: The Basic Concepts of Set Theory

Question 1

Write the set in set-builder notation.

Answer 1

B

Question 2

List the elements in the set.

Answer 2

B

Question 3

Write the set in set-builder notation.

Answer 3

A

Question 4

List the elements in the set.

Question 5

List the elements in the set.

Question 6

Write the set in set-builder notation.

Question 7

Write the set in set-builder notation.

Question 8

List the elements in the set.

Question 9

List the elements in the set.

Question 10

Write the set in set-builder notation.

Question 11

List the elements in the set.

Question 12

Write the set in set-builder notation.

Question 13

List the elements in the set.

Question 14

Write the set in set-builder notation.

Question 15

Write the set in set-builder notation.

Question 16

Write the set in set-builder notation.

Question 17

Write the set in set-builder notation.

Question 18

List the elements in the set.

Question 19

List the elements in the set.
The set of all positive integer powers of 3.

A){1, 3, 9, 27, 81, 243, ...}
B){3, 6, 9, 12, 15, ...}
C){1, 8, 27, 64, 125, ...}
D){3, 9, 27, 81, 243, ...}

Question 20

List the elements in the set.
The set of the days of the week

Question 21

Find n(A)for the set.
A = {2, 4, 6, 8, 10}

A)n(A)= 2
B)n(A)= 4
C)n(A)= 5
D)n(A)= 10

Question 22

Find n(A)for the set.
A = {700, 701, 702, ..., 7000}

A)n(A)= 6301
B)n(A)= 4
C)n(A)= 6300
D)n(A)= 7000

Question 23

Identify the set as finite or infinite.

Question 24

Find n(A)for the set.

Question 25

Identify the set as finite or infinite.

Question 26

Find n(A)for the set.
A = {-9, -8, -7, ..., 0}

A)n(A)= 10
B)n(A)= 4
C)n(A)= 9
D)n(A)= 1

Question 27

Find n(A)for the set.

Question 28

Find n(A)for the set.

Question 29

Identify the set as finite or infinite.

Question 30

Determine whether or not the set is well defined.

Question 31

Find n(A)for the set.

Question 32

Determine whether or not the set is well defined.

Question 33

Identify the set as finite or infinite.
{7, 8, 9, ..., 28}

A)Finite
B)Infinite

Question 34

Identify the set as finite or infinite.

Question 35

Identify the set as finite or infinite.

Question 36

Find n(A)for the set.

Question 37

Determine whether or not the set is well defined.

Question 38

Identify the set as finite or infinite.

Question 39

Identify the set as finite or infinite.

Question 40

Find n(A)for the set.

Question 41

Complete the blank with either or to make the statement true.

Question 42

Complete the blank with either or to make the statement true.

Question 43

Complete the blank with either or to make the statement true.

Question 44

Tell whether the statement is true or false.
{52, 53, 52, 53} = {52, 53}

Question 45

Determine whether or not the set is well defined.

Question 46

Determine whether or not the set is well defined.

Question 47

Complete the blank with either or to make the statement true.

Question 48

Complete the blank with either or to make the statement true.

Question 49

Tell whether the statement is true or false.

Question 50

Complete the blank with either or to make the statement true.

Question 51

Complete the blank with either or to make the statement true.

Question 52

Determine whether or not the set is well defined.

Question 53

Complete the blank with either or to make the statement true.

Question 54

Complete the blank with either or to make the statement true.

Question 55

Tell whether the statement is true or false.

Question 56

Determine whether or not the set is well defined.

Question 57

Complete the blank with either or to make the statement true.

Question 58

Tell whether the statement is true or false.

Question 59

Tell whether the statement is true or false.

Question 60

Tell whether the statement is true or false.

Question 61

Tell whether the statement is true or false.

Question 62

Tell whether the statement is true or false.

Question 63

Write true or false for the following statement.

Question 64

Question 65

Question 66

Write true or false for the following statement.
Every element of B is also an element of C.

Question 67

Question 68

Write true or false for the following statement.

Question 69

Write true or false for the following statement.
Every element of C is also an element of A.

Question 70

Question 71

Question 72

Tell whether the statement is true or false.
{s, q, y, o, d} = {o, d, q, s, y}

Question 73

Write true or false for the following statement.

Question 74

Question 75

Decide whether , , both, or neither can be placed in the blank to make a true statement.

Question 76

Write true or false for the following statement.

Question 77

Write true or false for the following statement.

Question 78

Question 79

Write true or false for the following statement.

Question 80

Tell whether the statement is true or false.